1 mkmdiskgrp 2? -name pool_name 3 4? -mdisk 4.1 mdisk_id_list 4.1 mdisk_name_list 5? -tier 5.1 ssd 5.1 enterprise 5.1 nearline 6 7 -ext extent_size 7 -size mdiskgrp_size -parentmdiskgrp 7.1 mdiskgrp_id 7.1 mdiskgrp_name 8? -warning 8.1 disk_size 8.1 disk_size_percentage % 8.2? -unit 8.2.1 b 8.2.1 kb 8.2.1 mb 8.2.1 gb 8.2.1 tb 8.2.1 pb 9? -easytier 9.1 auto 9.1 on 9.1 off 9.1 measure 10? -owner owner_type